Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

One-way valve for medical infusion lines and the like

a one-way valve and infusion line technology, applied in the direction of lift valves, check valves, functional valve types, etc., can solve the problems of not being able to guarantee the necessary sensitivity and promptness of pressure values lower than the minimum one (0.02), constructionally more complex and hence more expensive, and achieve the effect of improving further operation

Active Publication Date: 2012-04-24
IND BORLA
View PDF12 Cites 99 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The valve achieves prompt and immediate opening at lower pressures, reducing the risk of reflux and ensuring safe and reliable fluid flow control, even at pressures as low as 0.005 to 0.02 bar, with a design that prevents undesirable adhesion and ensures correct operation.

Problems solved by technology

A valve of the type referred to above, however simple and inexpensive thanks to the elementary shape of its diaphragm and to the simple process of production thereof by means of dinking, does not appear to be able to guarantee the necessary sensitivity and promptness for pressure values lower than the minimum one (0.02 bar) for which it is expressly designed.
Even though this solution is constructionally more complex and hence more costly than the solution according to the document No.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • One-way valve for medical infusion lines and the like
  • One-way valve for medical infusion lines and the like
  • One-way valve for medical infusion lines and the like

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020]With reference to the drawings, the number 1 designates as a whole an axial union for tube-tube connection for medical lines for infusion, transfusion and the like. It should at once be noted that the union could also be arranged for luer-tube connections or else tube-luer connections or luer-luer connections or any other type of connection.

[0021]The union 1 comprises, in a way in itself generally known, a first tubular connector 2 and a second tubular connector 3 both normally made of a suitable moulded thermoplastic material, for example polycarbonate or similar materials, and joined axially in a permanent way to one another, for example, via ultrasound welding or else gluing, or equivalent systems.

[0022]The first and second tubular connectors 2, 3 define, respectively, a passage upstream or inlet passage 4 and a passage downstream or outlet passage 5, which can be connected to respective sections of piping of a medical infusion line or the like.

[0023]Set between the passage...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A check valve for medical infusion lines and the like, includes a diaphragm made of elastic material set between a first tubular connector and a second tubular connector. The diaphragm includes an end wall of a cup-shaped element, having an outer peripheral edge of which is normally pressed in seal contact against an annular valve seat with a conical surface of the first tubular connector under an axial thrust exerted by a side wall of the cup-shaped element. A free edge of the side wall of the cup-shaped element is set resting against a transverse surface of the second tubular connector only in regions corresponding to angular portions of the latter separated by non-resting angular portions.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority from Italian patent application No. TO 2007 A 000023, filed on Jan. 17, 2007, the entire disclosure of which is incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention relates to one-way valves for medical infusion lines and the like, of the type generally comprising a first tubular element and a second tubular element, which define, respectively, a passage upstream and a passage downstream, which are coaxial to one another and set transversely between which is a diaphragm made of elastically deformable material, which co-operates in a fluid-tight way with the annular valve seat of the first tubular element to keep the valve normally closed. A predetermined pressure of fluid in the passage upstream brings about a displacement or an elastic deformation of the diaphragm and consequent opening of the valve, i.e., opening of the communication between the passage upstream and the pass...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(United States)
IPC IPC(8): F16K15/14
CPCA61M39/24A61M2039/242A61M2039/2433A61M2039/246Y10T137/7879Y10T137/784
Inventor GUALA, GIANNI
Owner IND BORLA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com